Cheapest return flights from Boston to Copenhagen in September from 385€

AirHint found the following cheapest return flights from Boston (BOS) to Copenhagen (CPH) in September 2025 (see full year).

Return flights

28 Sep - 18 Oct Icelandair
16 Sep - 02 Oct SWISS
16 Sep - 11 Oct Icelandair
18 Sep - 29 Sep Air Canada
17 Sep - 21 Sep Air Canada
19 Sep - 26 Sep Lufthansa
19 Sep - 27 Sep Brussels Airlines
28 Sep - 18 Oct Scandinavian Airlines direct
16 Sep - 02 Oct Scandinavian Airlines direct
16 Sep - 11 Oct Scandinavian Airlines direct

Also check the deals for one-way flights from Boston to Copenhagen in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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